Preserving Phase Coherence and Linearity in Cat Qubits with Exponential Bit-Flip Suppression

Preserving Phase Coherence and Linearity in Cat Qubits with Exponential Bit-Flip Suppression

Cat qubits, a type of bosonic qubit encoded in a harmonic oscillator, can exhibit an exponential noise bias against bit-flip errors with increasing mean photon number. Here, we focus on cat qubits stabilized by two-photon dissipation, where pairs of photons are added and removed from a harmonic osci...

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Main Authors: Harald Putterman, Kyungjoo Noh, Rishi N. Patel, Gregory A. Peairs, Gregory S. MacCabe, Menyoung Lee, Shahriar Aghaeimeibodi, Connor T. Hann, Ignace Jarrige, Guillaume Marcaud, Yuan He, Hesam Moradinejad, John Clai Owens, Thomas Scaffidi, Patricio Arrangoiz-Arriola, Joe Iverson, Harry Levine, Fernando G. S. L. Brandão, Matthew H. Matheny, Oskar Painter
Format: Article
Language:English
Published: American Physical Society 2025-03-01
Series:Physical Review X
Online Access:http://doi.org/10.1103/PhysRevX.15.011070
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http://doi.org/10.1103/PhysRevX.15.011070

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